5.1.10 New in version V3 R1.2.0
o Password Encryption in Microsoft Windows Registry
OpenStage ConnectionService encrypts user password, when stored in Microsoft Windows registry.
o Support of Windows 8 32/64 bit
OpenStage Manager and OpenStage 60/80 T RNDIS Driver support Windows 8 32/64 bit.
o Support of Microsoft Outlook 2013
OpenStage Manager supports the synchronization between Microsoft Outlook 2013 (32 bit only)
and OpenStage telephone.
o Enhancements in Key Configuration Menu of OpenStage Manager (OpenStage SIP
only) The Key Configuration Menu has been enhanced to display and edit properly all
available FPK functions, lables and parameters, which are available for the OpenStage SIP
telephone user.
No newer version is available
My suggestion is to install it either on a Virtual Machine or uninstall and re-install